/* 2002-03-18 N.OTUKA 10 POINTS CHECK */ /* 2006-02-26 N.OTUKA INC-ENGY-LAV -> INC-ENGY-LAB in DATA,4 */ \\BIB,1[7; D#=D387; TITLE=/TRITON PICK-UP IN THE (P,ALPHA) REACTION ON 208PB AT 20 MEV/; PURPOSE=/TO STUDY THE REACTION MECHANISM./; ATH=(R.BONETTI'1',L.MILAZZO COLLI'1',M.MILAZZO'1', G.M.BRAGA MARCAZZAN'1,2'); INST-ATH=(2ITYMIL'1',2ITYCIS'2'); REF=JP/G; VLP=4(1978)1903; RCTS=(208PB(P,ALPHA)205TL); \\EXP,1[7; RCT=208PB(P,ALPHA)205TL; POL-TGT=NO; ALGN-TGT=NO; ACC=CYC'A'; /*@41@*/ INST-ACC=2ITYMIL; INC-ENGY-LAB-RANGE=(20MEV); POL-PRJ=NO; DET-PARTCL=(ALPHA); DET-SYS=(SI); /*@53@*/ ERS-DET=[100KEV; ANL=(OPT-MODEL,DWBA,SHELL-MODEL,CLUST-MODEL); PHQ=(DSIGMA/DOMEGA,EXC-ENGY,SPIN,PTY,OPT-POTL-PARA,TRNSF-L,SPEC-AMPL,TR ANSN-STRGTH,X'B'); /*@42@*/ \\DATA,1; INC-ENGY-LAB=20MEV; EXC-ENGY=0.0MEV; J-PI=1/2+; TRANSF-L=0; /*FIG.2-(A)*/ /* D387 FIG.2-(A) */ /* SER#= 1 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 1.32000000E+02 YMAX= 9.99999791E-03 */ /* XMIN= 2.00000000E+01 YMIN= 9.99999931E-04 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 20.23 1.40E-02 3.00E-03 23.85 1.58E-02 5.25E-03 27.94 1.76E-02 2.09E-03 32.24 1.30E-02 2.32E-03 36.10 7.98E-03 1.22E-03 38.14 2.64E-03 4.70E-04 44.49 9.21E-04 4.24E-04 48.57 1.39E-03 3.32E-04 51.97 3.63E-03 7.34E-04 54.23 3.67E-03 7.41E-04 58.32 4.06E-03 5.78E-04 62.40 2.56E-03 3.64E-04 66.02 2.01E-03 7.20E-04 70.11 2.03E-03 4.34E-04 74.41 2.27E-03 4.30E-04 90.28 2.05E-03 3.39E-04 98.45 1.89E-03 2.46E-04 102.75 1.79E-03 2.34E-04 \END; \\DATA,2; INC-ENGY-LAB=20MEV; EXC-ENGY=0.20MEV; J-PI=3/2+; TRANSF-L=2; /*FIG.2-(B)*/ /* D387 FIG.2-(B) */ /* SER#= 2 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 1.32000000E+02 YMAX= 9.99999791E-03 */ /* XMIN= 2.00000000E+01 YMIN= 9.99999931E-04 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 20.23 3.18E-02 4.52E-03 23.86 2.78E-02 3.95E-03 28.18 2.49E-02 2.96E-03 32.27 1.99E-02 2.13E-03 36.13 1.45E-02 1.88E-03 40.45 1.04E-02 1.12E-03 44.54 7.51E-03 8.94E-04 48.40 5.36E-03 8.25E-04 53.85 4.59E-03 1.21E-03 58.39 6.51E-03 1.00E-03 62.48 7.82E-03 9.32E-04 66.12 6.85E-03 6.60E-04 70.66 6.12E-03 8.70E-04 74.52 3.98E-03 6.13E-04 90.88 3.02E-03 5.01E-04 94.29 4.37E-03 6.72E-04 98.38 5.09E-03 5.48E-04 102.69 2.96E-03 4.21E-04 106.33 2.56E-03 3.94E-04 112.24 2.62E-03 6.27E-04 116.55 1.89E-03 6.51E-04 120.41 2.49E-03 5.96E-04 124.28 2.18E-03 3.87E-04 128.59 1.96E-03 4.46E-04 132.23 1.96E-03 3.73E-04 136.54 2.18E-03 4.94E-04 \END; \\DATA,3; INC-ENGY-LAB=20MEV; EXC-ENGY=0.62MEV; J-PI=5/2+; TRANSF-L=2; /*FIG.2-(C)*/ /* D387 FIG.2-(C) */ /* SER#= 3 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 1.32000000E+02 YMAX= 9.99999642E-02 */ /* XMIN= 2.00000000E+01 YMIN= 9.99999791E-03 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 20.45 4.12E-02 4.52E-03 24.07 3.28E-02 3.22E-03 28.37 2.50E-02 1.89E-03 32.44 2.42E-02 1.83E-03 36.06 2.30E-02 1.74E-03 40.36 1.81E-02 1.37E-03 44.44 1.68E-02 1.27E-03 48.28 9.39E-03 8.16E-04 52.13 4.63E-03 8.96E-04 54.17 5.24E-03 6.98E-04 58.24 6.26E-03 9.07E-04 62.08 8.82E-03 1.17E-03 66.16 8.55E-03 9.39E-04 70.91 8.92E-03 1.08E-03 74.53 7.09E-03 7.78E-04 90.59 4.63E-03 6.16E-04 94.21 6.00E-03 3.20E-04 97.83 6.06E-03 8.07E-04 105.75 3.38E-03 5.72E-04 111.86 3.25E-03 5.09E-04 116.39 2.66E-03 4.18E-04 120.46 3.11E-03 6.42E-04 123.85 3.76E-03 6.81E-04 128.15 3.21E-03 5.43E-04 132.00 3.28E-03 3.60E-04 136.30 3.46E-03 5.01E-04 \END; \\DATA,4; INC-ENGY-LAB=20MEV; EXC-ENGY=0.92MEV; J-PI=7/2+; TRANSF-L=4; /*FIG.2-(D)*/ /* D387 FIG.2-(D) */ /* SER#= 4 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 1.32000000E+02 YMAX= 9.99999642E-02 */ /* XMIN= 2.00000000E+01 YMIN= 9.99999791E-03 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 23.85 2.26E-02 1.47E-03 27.94 1.90E-02 1.24E-03 31.79 1.71E-02 9.29E-04 35.42 1.61E-02 1.23E-03 39.95 1.21E-02 9.28E-04 43.58 1.22E-02 1.21E-03 47.66 9.39E-03 1.04E-03 51.51 9.89E-03 9.86E-04 53.78 9.79E-03 1.32E-03 57.86 9.79E-03 1.09E-03 62.17 8.27E-03 1.21E-03 65.57 5.59E-03 6.23E-04 69.65 5.48E-03 8.72E-04 73.28 7.06E-03 7.86E-04 90.06 5.09E-03 8.10E-04 93.68 3.91E-03 5.27E-04 97.54 5.59E-03 8.23E-04 101.62 3.95E-03 5.81E-04 105.93 4.03E-03 4.96E-04 111.60 2.38E-03 5.28E-04 115.90 2.70E-03 4.96E-04 119.98 2.38E-03 4.37E-04 123.38 2.76E-03 4.73E-04 127.92 2.91E-03 4.98E-04 131.77 3.20E-03 3.93E-04 135.40 3.23E-03 3.59E-04 \END; \\DATA,5; INC-ENGY-LAB=20MEV; RSD=205TL; \DATA; EXC-ENGY J-PI TRANSF-L DATA1'1' DATA2'2' (MEV) (NODIM) (NODIM) (NODIM) (ARB) 0.0 1/2+ 0 7 15 0.20 3/2+ 2 6 14.2 0.62 5/2+ 2 6 10.3 0.92 7/2+ 4 5 7.48 /*@1@*/ /*@2@*/ \END; \\DATA,6; PRJ=P; TGT=208PB; INC-ENGY-LAB=20MEV; POTL-FORM=/-(V*F(XR)+I*(WV*F(XIV)-4*WS*DIF(1!XIS)F(XIS)+WG*G(XG)))+(HBA R/(MPI*C))**2*1/RSO*(VSO*DIF(1!R)F(XRSO)+I*WSO*DIF(1!R)F(XISO))*SIGMA*L +UC(R): F(XI)=1/(1+EXP(XI)): G(XG)=EXP(-XG**2): XI=(R-RI*A**(1/3))/AI: UNIFORM CHARGE OF RADIUS RC*A**(1/3):/; \DATA; V PR AR WV RIV AIV WS VSO RRSO ARSO (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (MEV) (FM) (FM) 58.2 1.17 0.75 1.7 1.32 0.658 9.33 6.2 1.01 0.75 \END; \\DATA,7; INC-ENGY-LAB=X'3'; /*@3@*/ PRJ=ALPHA; TGT=205TL; POTL-FORM=/-(V*F(XR)+I*(WV*F(XIV)-4*WS*DIF(1!XIS)F(XIS)+WG*G(XG)))+(HBA R/(MPI*C))**2*1/RSO*(VSO*DIF(1!R)F(XRSO)+I*WSO*DIF(1!R)F(XISO))*SIGMA*L +UC(R): F(XI)=1/(1+EXP(XI)): G(XG)=EXP(-XG**2): XI=(R-RI*A**(1/3))/AI: UNIFORM CHARGE OF RADIUS RC*A**(1/3):/; \DATA; V PR AR WV RIV AIV (MEV) (FM) (FM) (MEV) (FM) (FM) 187 1.35 0.575 25 1.35 0.574 \END; \\END; @@41; 'A' AVF CYCLOTRON @@53; ANGULAR RESOLUTION IS ABOUT 4 DEG. @@1; '1' DATA1 = THE RADIAL QUANTUM NUMBER OF THE TRANSFERRED TRITION @@2; '2' DATA2 = THE STRUCTURE AMPLITUDE WHICH IS BUILT BY THE SUM OF THE PRODUCTS OF THE INDIVIDUAL TRANSITION AMPLITUDES OF THE PICKED-UP PROTON. THE ASSUMED FACTORISATION OF STRUCTURE AND DYNAMICS ALLOWS US TO CALCULATE IT FROM THE (P,T) REACTION LEADING TJ A FINAL STATE OF THE RESIDUAL NUCLEUS WITH ANGULAR MOMENTUM J: DATA2 =(DSIGMA/DOMEGA)EXP/ (DSIGMA/DOMEGA)DWBA. @@42; 'B' ADD-RES = (1)ANGULAR DISTRIBUTIONS OF THE THREE LOW-LYING LEVELS OF THE 208PB(P,T) REACTION AT 20MEV INCIDENT ENERGY. OPTICAL-MODEL PARAMETER USED FOR THESE CALCULATIONS IF GIVEN. THE DATA ARE ANALYIZED BY THE DWBA CALCULATION. @@3; '3' UNCLEAR BECAUSE OF INVERSE REACTION @@;